Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Added a null pointer check for inode operations This adds a sanity check for the iop pointer of the inode, which is returned after reading the Root directory MFT record. We should check that the iop is valid before...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/paprscm: Fixed the issue where elements of nvdimmeventsmap were leaking during calls to paprscmpmucheckevents, paprscmremove, and paprscmpmuregister. Additionally, the error paths in paprscmpmucheckevents were correcte...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: spi: Fix for null dereference during suspension There exists a race condition where a synchronous noqueue transfer can remain active during system suspension. This can lead to a null pointer dereference exception when the system...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw89: pci: Configure manual DAC mode via PCI config API only To support 36-bit DMA, configure the chip’s proprietary bit via the PCI config API or the chip’s DBI interface. However, the PCI device’s mmap is not set yet, an...

Astra Linux – Vulnerability in wavpack

A null pointer dereference bug was found in wavpack-5.4.0. Results from the ASAN log: AddressSanitizer:DEADLYSIGNAL ===================================================================84257==ERROR: AddressSanitizer: SEGV at an unknown address 0x000000000000 pc 0x561b47a970c6, bp 0x7fff13952fb0, sp...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the block layer, care should be taken when checking for NULL bdev during polling. Wei reported a crash in an application that uses polled I/O: PGD 14265e067 P4D 14265e067 PUD 47ec50067 PMD 0 Oops: 0000 1 SMP CPU: 0 PID: 21915...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix tc flower deletion for VLAN priority Rx steering To replicate the issue: 1 Add a tc flower filter for VLAN Priority-based frame steering: $ IFDEVNAME=eth0 $ tc qdisc add dev $IFDEVNAME ingress $ tc qdisc add dev...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: never allow the PM to close a listener subflow Currently, when deleting an endpoint, the netlink PM traverses all local MPTCP sockets, regardless of their status. If an MPTCP listener socket is bound to the IP correspondin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fixed NULL page-mapping dereference in pageissecretmem Checked for a NULL page-mapping before dereferencing the mapping in pageissecretmem, as the page’s mapping can be nullified while gup is running, for example, b...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt7601u: Fix an integer underflow An integer underflow caused by a null pointer dereference occurred in mt7601urxskbfromseg. The variable dmalen in the URB packet could be manipulated, which could trigger an integer underfl...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: hwmon: coretemp Check for null before removing sysfsattrs. If coretempaddcore encounters an error, pdata-coredataindx is already NULL and has been freed. Do not pass this value to sysfsremovegroup, as it will cause a crash in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Zoned – Cloning zoned device info when cloning a device When cloning a btrfsdevice, we are not cloning the associated btrfszoneddeviceinfo structure of the device, especially in cases where the filesystem is zoned. This ca...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: Fixed a NULL pointer dereferencing issue in -remove. The drvdata parameter must be set in probe; otherwise, platformgetdrvdata causes a NULL pointer dereferencing bug in remove...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfs: fixed a panic that occurred when nfs4fflayoutprepareds failed. We have observed the following panics in production: BUG: NULL pointer dereferencing in the kernel, address: 0000000000000065 PGD: 2f485f067; P4D: 2f485f067;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: pinctrl: aspeed: Fixed a potential NULL dereferencing in aspeedpinmuxsetmux. pdesc could potentially be null, but still, dereferencing pdesc-name would lead to a NULL pointer access. Therefore, we moved a null check before the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fix command flush on cable pull The system crashed due to a command failing to be flushed back to the SCSI layer. BUG: Unable to handle a NULL pointer dereferencing in the kernel at 0000000000000000 PGD 0 P4D 0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring: fixed the error in pbuf checking Syz reports a problem, which boils down to inconsistent error handling of NULL vs ISERR in ioallocpbufring. KASAN: nullptrderef in the range 0x0000000000000000-0x0000000000000007 RIP:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “neighbour”: Fixed null-ptr-deref in neighFlushDev. The kernel test robot reported null-ptr-deref in neighFlushDev. 0 The referenced commit introduced a per-netdev neighbor list and replaced neighFlushDev with it instead of using...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed null pointer dereference in bnxtbstracecheckwrap. With older firmware versions, we might encounter the ASYNCEVENTCMPLEVENTIDDBGBUFPRODUCER for the FW trace data type that has not been initialized. This could lead to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwl3945: Added a check for the return value of createsinglethreadworkqueue to avoid NULL pointer dereferencing...